Re: [RFC] Media controller entity information property API

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Am 28.05.2015 um 11:27 schrieb Mauro Carvalho Chehab:

Hi folks,

just subscribed to the list, so I might have missed something ....

<snip>

Constructing unique names that are human readable, stable, unique and fit to
31 characters reserved for the purpose is not thought to be possible: device
bus string that would be in some cases enough to uniquely identify a device
any be longer than that. On hot-pluggable busses e.g. a serial number is
needed.

Dont we have any chance of lifting that restriction ?
From a userland PoV, I'd really like to see them via path names
(and actually access them directly via their own files)

The structure of the properties tree can be non-trivial. This RFC defines a
text representation format of the tree to facilitate discussing and
documenting the tree structure separately from its binary representation
used in IOCTL calls. The terms are used elsewhere in the document.

Does it have to be an IOTCTL ?

IOCTL have the unpleasant side effect, that they're hard to transport
via network filesystems (in the end, would need special protocol
extensions for each single one - assuming we can *safely* detect,
which IOCTL really was called)

Instead I'd prefer some pure filesystem-based approach - like @Plan9 or
sysfs.


cu
--
Enrico Weigelt, metux IT consult
+49-151-27565287
MELAG Medizintechnik oHG Sitz Berlin Registergericht AG Charlottenburg HRA 21333 B

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